Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r096-smll-177946996400072.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DBSingleClientW-PT-d0m08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996400072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 08:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 08:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 119K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779528129281

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d0m08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 09:22:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 09:22:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:22:11] [INFO ] Load time of PNML (sax parser for PT used): 154 ms
[2026-05-23 09:22:11] [INFO ] Transformed 553 places.
[2026-05-23 09:22:11] [INFO ] Transformed 150 transitions.
[2026-05-23 09:22:11] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 312 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 553/553 places, 150/150 transitions.
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 462 rules applied. Total rules applied 462 place count 102 transition count 139
Applied a total of 462 rules in 41 ms. Remains 102 /553 variables (removed 451) and now considering 139/150 (removed 11) transitions.
// Phase 1: matrix 139 rows 102 cols
[2026-05-23 09:22:11] [INFO ] Computed 2 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:22:12] [INFO ] Implicit Places using invariants in 530 ms returned []
[2026-05-23 09:22:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:22:12] [INFO ] State equation strengthened by 63 read => feed constraints.
[2026-05-23 09:22:12] [INFO ] Implicit Places using invariants and state equation in 591 ms returned []
Implicit Place search using SMT with State Equation took 1173 ms to find 0 implicit places.
Running 138 sub problems to find dead transitions.
[2026-05-23 09:22:12] [INFO ] Invariant cache hit.
[2026-05-23 09:22:12] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 139/241 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (OVERLAPS) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 167 constraints, problems are : Problem set: 0 solved, 138 unsolved in 9515 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 139/241 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 138/305 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 305 constraints, problems are : Problem set: 0 solved, 138 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40059ms problems are : Problem set: 0 solved, 138 unsolved
Search for dead transitions found 0 dead transitions in 40085ms
Starting structural reductions in LIVENESS mode, iteration 1 : 102/553 places, 139/150 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 41341 ms. Remains : 102/553 places, 139/150 transitions.
Discarding 48 transitions out of 139. Remains 91
Initial state reduction rules removed 1 formulas.
[2026-05-23 09:22:53] [INFO ] Flatten gal took : 124 ms
[2026-05-23 09:22:53] [INFO ] Flatten gal took : 84 ms
[2026-05-23 09:22:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10176742815244851868.gal : 29 ms
[2026-05-23 09:22:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13701162839036497745.prop : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10176742815244851868.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13701162839036497745.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13701162839036497745.prop.
Reachability property qltransition_102 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_3 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,84 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_103 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_5 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,79 properties remain. new max is 2
SDD size :5 after 19
RANDOM walk for 40000 steps (9132 resets) in 3539 ms. (11 steps per ms) remains 52/90 properties
SDD proceeding with computation,79 properties remain. new max is 4
SDD size :19 after 50
SDD proceeding with computation,79 properties remain. new max is 8
SDD size :50 after 134
BEST_FIRST walk for 4002 steps (185 resets) in 108 ms. (36 steps per ms) remains 51/52 properties
SDD proceeding with computation,79 properties remain. new max is 16
SDD size :134 after 390
BEST_FIRST walk for 4002 steps (187 resets) in 124 ms. (32 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (198 resets) in 112 ms. (35 steps per ms) remains 50/51 properties
Reachability property qltransition_47 is true.
SDD proceeding with computation,78 properties remain. new max is 16
SDD size :390 after 978
BEST_FIRST walk for 4004 steps (182 resets) in 75 ms. (52 steps per ms) remains 50/50 properties
BEST_FIRST walk for 4001 steps (199 resets) in 74 ms. (53 steps per ms) remains 50/50 properties
BEST_FIRST walk for 4003 steps (202 resets) in 85 ms. (46 steps per ms) remains 47/50 properties
BEST_FIRST walk for 4003 steps (196 resets) in 16 ms. (235 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (189 resets) in 30 ms. (129 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (200 resets) in 25 ms. (153 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (195 resets) in 44 ms. (88 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (219 resets) in 23 ms. (166 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (189 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (195 resets) in 19 ms. (200 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (216 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (202 resets) in 15 ms. (250 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (217 resets) in 21 ms. (181 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (182 resets) in 26 ms. (148 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (198 resets) in 19 ms. (200 steps per ms) remains 45/47 properties
BEST_FIRST walk for 4003 steps (185 resets) in 22 ms. (174 steps per ms) remains 43/45 properties
BEST_FIRST walk for 4003 steps (190 resets) in 22 ms. (174 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (207 resets) in 29 ms. (133 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (191 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (182 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (216 resets) in 25 ms. (153 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (202 resets) in 23 ms. (166 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (196 resets) in 25 ms. (154 steps per ms) remains 43/43 properties
Reachability property qltransition_124 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_108 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_38 is true.
BEST_FIRST walk for 4000 steps (800 resets) in 52 ms. (75 steps per ms) remains 43/43 properties
Reachability property qltransition_33 is true.
Reachability property qltransition_25 is true.
BEST_FIRST walk for 4000 steps (800 resets) in 34 ms. (114 steps per ms) remains 43/43 properties
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
BEST_FIRST walk for 4002 steps (440 resets) in 21 ms. (181 steps per ms) remains 43/43 properties
Reachability property qltransition_12 is true.
SDD proceeding with computation,58 properties remain. new max is 16
SDD size :978 after 10452
BEST_FIRST walk for 4003 steps (404 resets) in 36 ms. (108 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (405 resets) in 26 ms. (148 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4002 steps (397 resets) in 30 ms. (129 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (419 resets) in 30 ms. (129 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (405 resets) in 27 ms. (143 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4002 steps (432 resets) in 26 ms. (148 steps per ms) remains 41/43 properties
SDD proceeding with computation,58 properties remain. new max is 32
SDD size :10452 after 52265
BEST_FIRST walk for 4003 steps (400 resets) in 47 ms. (83 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (416 resets) in 31 ms. (125 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4000 steps (415 resets) in 28 ms. (137 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4002 steps (399 resets) in 22 ms. (174 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (413 resets) in 120 ms. (33 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4002 steps (402 resets) in 16 ms. (235 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4001 steps (386 resets) in 35 ms. (111 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4002 steps (447 resets) in 23 ms. (166 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (401 resets) in 32 ms. (121 steps per ms) remains 41/41 properties
SDD proceeding with computation,58 properties remain. new max is 64
SDD size :52265 after 84942
BEST_FIRST walk for 4003 steps (403 resets) in 27 ms. (142 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (380 resets) in 17 ms. (222 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4001 steps (419 resets) in 20 ms. (190 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4001 steps (366 resets) in 24 ms. (160 steps per ms) remains 41/41 properties
[2026-05-23 09:22:54] [INFO ] Invariant cache hit.
[2026-05-23 09:22:54] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_13 is true.
SDD proceeding with computation,57 properties remain. new max is 64
SDD size :84942 after 249546
Reachability property qltransition_85 is true.
SDD proceeding with computation,56 properties remain. new max is 64
SDD size :249546 after 304106
SDD proceeding with computation,56 properties remain. new max is 128
SDD size :304106 after 356068
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
SDD proceeding with computation,56 properties remain. new max is 256
SDD size :356068 after 402243
At refinement iteration 1 (OVERLAPS) 22/67 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 23/90 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 37 unsolved
Reachability property qltransition_104 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,52 properties remain. new max is 256
SDD size :402243 after 1.03726e+06
SDD proceeding with computation,52 properties remain. new max is 512
SDD size :1.03726e+06 after 1.19278e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 35 unsolved
At refinement iteration 5 (OVERLAPS) 123/213 variables, 90/92 constraints. Problems are: Problem set: 3 solved, 35 unsolved
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_94 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_51 is true.
SDD proceeding with computation,42 properties remain. new max is 512
SDD size :1.19278e+06 after 2.07666e+06
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 47/139 constraints. Problems are: Problem set: 3 solved, 35 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/139 constraints. Problems are: Problem set: 3 solved, 35 unsolved
At refinement iteration 8 (OVERLAPS) 28/241 variables, 12/151 constraints. Problems are: Problem set: 3 solved, 35 unsolved
Reachability property qltransition_110 is true.
Reachability property qltransition_28 is true.
SDD proceeding with computation,40 properties remain. new max is 512
SDD size :2.07666e+06 after 3.41869e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 16/167 constraints. Problems are: Problem set: 3 solved, 35 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/167 constraints. Problems are: Problem set: 3 solved, 35 unsolved
Reachability property qltransition_136 is true.
Reachability property qltransition_133 is true.
SDD proceeding with computation,38 properties remain. new max is 512
SDD size :3.41869e+06 after 4.02986e+06
At refinement iteration 11 (OVERLAPS) 0/241 variables, 0/167 constraints. Problems are: Problem set: 5 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 167 constraints, problems are : Problem set: 5 solved, 33 unsolved in 3479 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 33 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,38 properties remain. new max is 1024
SDD size :4.02986e+06 after 4.44817e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 24/63 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 24/87 variables, 1/2 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 123/210 variables, 87/89 constraints. Problems are: Problem set: 5 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 47/136 constraints. Problems are: Problem set: 5 solved, 33 unsolved
SDD proceeding with computation,38 properties remain. new max is 2048
SDD size :4.44817e+06 after 6.37294e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 11/147 constraints. Problems are: Problem set: 5 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:22:59] [INFO ] Deduced a trap composed of 35 places in 123 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:22:59] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:22:59] [INFO ] Deduced a trap composed of 36 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 36 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 95 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 36 places in 172 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 121 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:00] [INFO ] Deduced a trap composed of 37 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 4 ms to minimize.
SDD proceeding with computation,38 properties remain. new max is 4096
SDD size :6.37294e+06 after 8.08088e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 38 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 39 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 36 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 37 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 37 places in 69 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:01] [INFO ] Deduced a trap composed of 37 places in 61 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 20/167 constraints. Problems are: Problem set: 5 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:02] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:02] [INFO ] Deduced a trap composed of 38 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:02] [INFO ] Deduced a trap composed of 39 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:02] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 4/171 constraints. Problems are: Problem set: 5 solved, 33 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/241 variables, and 171 constraints, problems are : Problem set: 5 solved, 33 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 87/102 constraints, ReadFeed: 47/63 constraints, PredecessorRefiner: 11/38 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8563ms problems are : Problem set: 5 solved, 33 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 39 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 93 transition count 126
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 93 transition count 126
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 21 place count 90 transition count 123
Iterating global reduction 0 with 3 rules applied. Total rules applied 24 place count 90 transition count 123
Applied a total of 24 rules in 61 ms. Remains 90 /102 variables (removed 12) and now considering 123/139 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 90/102 places, 123/139 transitions.
Reachability property qltransition_120 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_86 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
SDD proceeding with computation,31 properties remain. new max is 4096
SDD size :8.08088e+06 after 1.27079e+07
Reachability property qltransition_138 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_27 is true.
SDD proceeding with computation,23 properties remain. new max is 4096
SDD size :1.27079e+07 after 2.34261e+07
Reachability property qltransition_73 is true.
SDD proceeding with computation,22 properties remain. new max is 4096
SDD size :2.34261e+07 after 2.85377e+07
RANDOM walk for 4000000 steps (915075 resets) in 30852 ms. (129 steps per ms) remains 22/33 properties
BEST_FIRST walk for 400003 steps (19870 resets) in 979 ms. (408 steps per ms) remains 21/22 properties
BEST_FIRST walk for 400004 steps (19908 resets) in 1159 ms. (344 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400003 steps (19754 resets) in 1310 ms. (305 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400003 steps (19766 resets) in 1083 ms. (369 steps per ms) remains 21/21 properties
Reachability property qltransition_74 is true.
SDD proceeding with computation,21 properties remain. new max is 4096
SDD size :2.85377e+07 after 3.857e+07
BEST_FIRST walk for 400004 steps (20020 resets) in 1194 ms. (334 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (19820 resets) in 1063 ms. (375 steps per ms) remains 15/21 properties
BEST_FIRST walk for 400004 steps (19866 resets) in 856 ms. (466 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400003 steps (19872 resets) in 1018 ms. (392 steps per ms) remains 14/15 properties
BEST_FIRST walk for 400000 steps (80000 resets) in 1752 ms. (228 steps per ms) remains 14/14 properties
SDD proceeding with computation,21 properties remain. new max is 8192
SDD size :3.857e+07 after 4.1711e+07
BEST_FIRST walk for 400000 steps (80000 resets) in 1889 ms. (211 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (40083 resets) in 1627 ms. (245 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (40327 resets) in 1305 ms. (306 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (40478 resets) in 1413 ms. (282 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (40002 resets) in 1188 ms. (336 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (40215 resets) in 1198 ms. (333 steps per ms) remains 14/14 properties
Reachability property qltransition_78 is true.
Reachability property qltransition_77 is true.
SDD proceeding with computation,19 properties remain. new max is 8192
SDD size :4.1711e+07 after 5.84712e+07
BEST_FIRST walk for 400003 steps (40369 resets) in 1339 ms. (298 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (40320 resets) in 1003 ms. (398 steps per ms) remains 14/14 properties
// Phase 1: matrix 123 rows 90 cols
[2026-05-23 09:23:20] [INFO ] Computed 2 invariants in 4 ms
[2026-05-23 09:23:20] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 26/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 24/65 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 91/156 variables, 65/67 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 22/89 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/156 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 49/205 variables, 21/110 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 28/138 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 8/213 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/213 variables, 4/146 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 146 constraints, problems are : Problem set: 0 solved, 11 unsolved in 683 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 26/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 24/65 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 91/156 variables, 65/67 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 22/89 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/156 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:23:21] [INFO ] Deduced a trap composed of 32 places in 62 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 49/205 variables, 21/113 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/205 variables, 28/141 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/205 variables, 9/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Reachability property qltransition_79 is true.
SDD proceeding with computation,18 properties remain. new max is 8192
SDD size :5.84712e+07 after 7.14761e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/205 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 8/213 variables, 4/154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/213 variables, 4/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/213 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 0/213 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 158 constraints, problems are : Problem set: 0 solved, 11 unsolved in 3682 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4382ms problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 10 different solutions.
Parikh walk visited 2 properties in 1478 ms.
Support contains 13 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 123/123 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 80 transition count 100
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 80 transition count 100
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 28 place count 72 transition count 92
Iterating global reduction 0 with 8 rules applied. Total rules applied 36 place count 72 transition count 92
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 37 place count 72 transition count 91
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 70 transition count 87
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 70 transition count 87
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 43 place count 68 transition count 84
Iterating global reduction 1 with 2 rules applied. Total rules applied 45 place count 68 transition count 84
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 46 place count 67 transition count 83
Iterating global reduction 1 with 1 rules applied. Total rules applied 47 place count 67 transition count 83
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 49 place count 67 transition count 81
Applied a total of 49 rules in 31 ms. Remains 67 /90 variables (removed 23) and now considering 81/123 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 67/90 places, 81/123 transitions.
Reachability property qltransition_132 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_129 is true.
RANDOM walk for 4000000 steps (916140 resets) in 13189 ms. (303 steps per ms) remains 9/9 properties
Reachability property qltransition_112 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_82 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_26 is true.
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :7.14761e+07 after 1.1046e+08
BEST_FIRST walk for 4000003 steps (200476 resets) in 6126 ms. (652 steps per ms) remains 7/9 properties
BEST_FIRST walk for 4000003 steps (200104 resets) in 5381 ms. (743 steps per ms) remains 6/7 properties
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :1.1046e+08 after 1.16712e+08
BEST_FIRST walk for 4000000 steps (800000 resets) in 7407 ms. (539 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 6519 ms. (613 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (405608 resets) in 5694 ms. (702 steps per ms) remains 5/6 properties
Reachability property qltransition_113 is true.
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :1.16712e+08 after 1.3902e+08
BEST_FIRST walk for 4000001 steps (405748 resets) in 5393 ms. (741 steps per ms) remains 2/5 properties
// Phase 1: matrix 81 rows 67 cols
[2026-05-23 09:23:41] [INFO ] Computed 2 invariants in 2 ms
[2026-05-23 09:23:41] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/48 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/113 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/146 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 15/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/148 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/148 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 148/148 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/48 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/113 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/146 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 15/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/148 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/148 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 148/148 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 307ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 81/81 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 63 transition count 76
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 63 transition count 76
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 63 transition count 75
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 62 transition count 74
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 62 transition count 74
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 61 transition count 72
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 61 transition count 72
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 61 transition count 71
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 60 transition count 70
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 60 transition count 70
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 17 place count 59 transition count 69
Iterating global reduction 2 with 1 rules applied. Total rules applied 18 place count 59 transition count 69
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 20 place count 59 transition count 67
Applied a total of 20 rules in 48 ms. Remains 59 /67 variables (removed 8) and now considering 67/81 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 59/67 places, 67/81 transitions.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :1.3902e+08 after 1.50048e+08
RANDOM walk for 4000000 steps (917066 resets) in 5535 ms. (722 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 4294 ms. (931 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 4070 steps, run visited all 1 properties in 30 ms. (steps per millisecond=135 )
Probabilistic random walk after 4070 steps, saw 1846 distinct states, run finished after 37 ms. (steps per millisecond=110 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 93637 ms.

BK_STOP 1779528224960

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DBSingleClientW-PT-d0m08"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is DBSingleClientW-PT-d0m08, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r096-smll-177946996400072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m08.tgz
mv DBSingleClientW-PT-d0m08 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;